Home / 31,610.48-47,397.24-11,890.58

Finding the Fourth Proportional to 31,610.48, 47,397.24 and 11,890.58

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Solution

The fourth proportional to 31,610.48, 47,397.24 and 11,890.58 is: 17,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.48 : 47,397.24 = 11,890.58 : x
  2. Step 2: Convert to fraction form
    31,610.48/47,397.24 = 11,890.58/x
  3. Step 3: Cross multiply
    31,610.48x = 47,397.24 × 11,890.58
  4. Step 4: Simplify right side
    31,610.48x = 563,580,437.01
  5. Step 5: Solve for x
    x = 563,580,437.01/31,610.48
  6. Step 6: Final answer
    x = 17,828.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.